
<p><b>syntax:</b> <i>sub_filter text substitution</i>
</p><p><b>default:</b> <i>none</i>
</p><p><b>context:</b> <i>http, server, location</i>
</p><p><i>sub_filter</i> allows replacing some text in the nginx response with some other text, independently of the source of the data. The matching is case-insensitive. Substitution text may contain variables. Only one substitution rule per location is supported.
</p>
<br><i>Module: NginxHttpSubModule</i>